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author	Yang Wang <kevinyang.wang@amd.com>
	Tue, 20 Jun 2023 09:05:25 +0000 (17:05 +0800)
committer	Alex Deucher <alexander.deucher@amd.com>
	Mon, 10 Jul 2023 13:02:37 +0000 (09:02 -0400)
commit	62b73bd50d7d56b8aa0c3ccdaa4c206ec47cc34d
tree	50c1f0da7275f66d83c17fa85d1326aca65e954e	tree \| snapshot
parent	38d47145b0dbe9069945c678e1f2067568d6e903	commit \| diff

drm/amd/pm: fix smu i2c data read risk

the smu driver_table is used for all types of smu
tables data transcation (e.g: PPtable, Metrics, i2c, Ecc..).

it is necessary to hold this lock to avoiding data tampering
during the i2c read operation.

Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Domain: System / Kernel;

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drivers/gpu/drm/amd/pm/swsmu/smu11/arcturus_ppt.c		diff \| blob \| history
drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c		diff \| blob \| history
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c		diff \| blob \| history
drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c		diff \| blob \| history
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c		diff \| blob \| history
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c		diff \| blob \| history